Li Ye is a clerk at Bincheng Internet Company. He has been carrying an ancient jade safety lock since he was a child, which was passed down from his ancestors. Li Ye was drowned after a flood and accidentally entered the time tunnel and traveled to ancient times. He was rescued by Xia Liangzhou, the second prince of the Xixia Kingdom who was traveling for medical treatment. He became famous as a cook in the Northern Chen Kingdom. In order to find the opportunity to return home, he agreed to replace the princess of Xixia Kingdom and exchange marriages with Northern Chen Kingdom, and became the victim of the marriage exchange between Xixia Kingdom and Northern Chen Kingdom. In this time and space, she met Li Jin'an, who loved her dearly. The two worked hand in hand through all kinds of hardships and finally gained peace and tranquility between the two countries. What awaited them was not a reward, but the "filthy and chaotic palace" of the new leader of the Northern Chen Kingdom, Li Hongtu. Historically, heroes with great achievements are those who cannot be tolerated by emperors. At a critical moment, Li Ye found a way to open the "Key of Time" safety lock and brought Li Jin'an back. The two lived a happy life from then on...
